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Worm gear ball thrust bearing transmission mechanism

A technology of thrust bearings and worm gears, applied in the direction of transmission devices, belts/chains/gears, mechanical equipment, etc., can solve problems such as low transmission efficiency, poor operation, increased friction resistance, etc., to improve transmission efficiency and lengthen force Arm, the effect of extending the service life

Inactive Publication Date: 2003-03-19
孙强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The stuck case rotates and does not run smoothly
[0005] The second worm makes the balls generate centrifugal force when running at high speed, thus increasing the frictional resistance
[0009] low transmission efficiency

Method used

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  • Worm gear ball thrust bearing transmission mechanism
  • Worm gear ball thrust bearing transmission mechanism
  • Worm gear ball thrust bearing transmission mechanism

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Embodiment Construction

[0050] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0051] Such as figure 1 , 2 , Shown in 3, worm gear and worm ball thrust bearing transmission device of the present invention comprises worm wheel 36, worm body 23, ball 22, is characterized in that:

[0052] (1) The front tooth surface of the worm gear tooth is arc-shaped, and the rear tooth surface is sawtooth-shaped, and the overcoat of the thrust bearing is formed with this worm wheel 36 .

[0053] (2) The front tooth surface of the worm body 23 and the worm body are provided with a multi-semi-circular groove-shaped ball track 231, and the rear tooth surface 233 is zigzag, and the thrust bearing inner sleeve is formed by this worm body.

[0054] (3) The speed feeder 21 is housed in the worm body 23 , which is linked with the worm body 23 through a set of gears, and contacts with the balls entering the worm body 23 .

[0055] (4) At the ...

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PUM

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Abstract

The present invention is one thrust bearing transmission mechanism comprising worm gear and worm screw and rolling ball. The front arced worm gear teeth surface forms the outer sleeve of the bearing, and the ball track on the front worm screw surface and inside the worm screw forms the inner sleeve of the bearing. The rolling ball track connectors in the two ends of the worm screw and the rolling ball track on the worm screw form one closed circular ball track. By means of one gear and worm screw combination, the balls outside and inside the worm screw are matched in speed. The rolling balls are made to shift and roll and this avoid its local wear. The transmission mechanism has high transmission efficiency and long service life and very wide use.

Description

technical field [0001] The invention belongs to the field of mechanical transmission, in particular to a worm gear and worm ball thrust bearing transmission device and a manufacturing method thereof, and mainly relates to a processing method of worm gear teeth and worm gear teeth constituting the inner and outer sleeves of the thrust bearing. Background technique [0002] Conventional worm and gear transmissions have large transmission friction and large power loss. In order to overcome these defects, people are constantly exploring and seeking various high-efficiency transmission devices, and some progress has been made, such as the invention of ball worm transmission, ball screw transmission, arc ball worm, spherical worm, etc., invention patent application No. 87102733 discloses a movable-tooth worm ball transmission device, which is composed of a movable-tooth worm, a worm, a ball, a ball guide rail and a ball circuit, and can realize variable-spee...

Claims

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Application Information

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IPC IPC(8): F16H37/00
Inventor 董绍明孙云鹏孙强
Owner 孙强